Investigators continue to comb for evidence at the scene of last Monday’s fire and collapse that killed two Kansas City firefighters and injured two others.

Larry Leggio and John Mesh were outside the building when a wall blew outward, trapping them under debris. They were taken to a hospital, where they died.

Advertisement

The Bureau of Alcohol, Tobacco, Firearms and Explosives picked apart debris at the scene Sunday. They’re tagging evidence that will be sent to forensic labs.

“That’s why you see all this debris we’ve pulled aside,” said ATF spokesman John Ham. “We’ve tagged it, we’ve organized it. We don’t know if it’s involved, but it possibly could be. Like I said, we get one shot at this, so we’re going to take those steps to make sure we don’t miss anything as the picture kind of comes into focus for us.”

Investigators still have several more days of work at the scene. The full investigation is likely to take several more weeks, but investigators said they hope to rule out some possible causes of the fire by Thursday.